Aluminum part polishing dust treatment device

Abstract

The utility model discloses an aluminum piece polishing dust treatment device which comprises a gas collecting hood, the gas collecting hood is connected with a dust remover through a collecting air pipe, a fireproof valve and an explosion-proof valve are respectively arranged on the collecting air pipe, and the output end of the dust remover is respectively connected with a centrifugal fan and an automatic deslagging system. According to the dust remover, air containing dust is sucked into the input pipe through the centrifugal fan, air containing fine particles enters the barrel b, the box body and the barrel a, after water mist sprayed by the spraying head a and the spraying head b is fully mixed with the dust, sewage containing dust flows into the box body to be filtered, sludge is formed through precipitation, and the sludge is discharged through the automatic slag discharging system. The dedusting efficiency is improved; the dust remover is provided with a hydrogen detection system, once the concentration reaches a set value, hydrogen can be automatically discharged, and explosion is prevented; in addition, the explosion venting sheet is arranged on the dust remover, when certain pressure is reached in the dust remover, the explosion venting sheet automatically venting explosion, and accidents are effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of dust treatment, in particular to a device for treating aluminum part grinding dust. Background Art

[0002] The fine dust produced by grinding and polishing aluminum products has the Al2O3 passivation layer on the surface peeled off, showing the active properties of single aluminum. On the one hand, aluminum is an easily oxidizable substance, and the heat released by oxidation reaches the ignition temperature, which can cause spontaneous combustion. Dust accumulation can cause explosions, usually dust with a particle size of ≤75μm can explode. On the other hand, aluminum can react with water at room temperature to generate hydrogen, and the accumulated hydrogen can explode when it encounters an ignition source.

[0003] For traditional dry bag (cartridge) dust collectors that handle aluminum product grinding and polishing dust, dust accumulation can easily cause explosions. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an aluminum part grinding dust treatment device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The aluminum part grinding dust treatment device comprises an air collecting hood, wherein the air collecting hood is connected to a dust collector through a collecting air duct, a fire damper and an explosion-proof valve are respectively arranged on the collecting air duct, and the output end of the dust collector is respectively connected to a centrifugal fan and an automatic slag discharge system.

[0007] Preferably, the dust collector includes a box body, and a cylinder a and a cylinder b are respectively arranged at the bottom of the box body. A slag discharge pipe is arranged at the bottom of the box body, and the slag discharge pipe is connected to an automatic slag discharge system. An output pipe is arranged on the side wall of the cylinder b, and the output pipe is connected to a centrifugal fan. An input pipe is arranged on the top of the cylinder a, and the input pipe is connected to a collecting air duct. Spray components are arranged in both the cylinder a and the cylinder b.

[0008] Preferably, the spray assembly includes a tube body, on which a spray head a and a spray head b are respectively installed, the spray head b extends into the cylinder a and is distributed in a ring, the spray head a extends into the cylinder b, and the inner wall of the cylinder b is provided with a plurality of cross-arranged dust removal plates, and the dust removal plates are arranged to be inclined downward.

[0009] Preferably, the side wall of the box body is provided with an inspection door, and the top of the box body is provided with a liquid level meter.

[0010] Preferably, a hydrogen detection system and an automatic explosion relief system are respectively installed on the box body.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the dust collector in the utility model uses a centrifugal fan to suck the air containing dust into the input pipe, and the air containing fine particles enters the cylinder b, the box body and the cylinder a. After the spray heads a and the spray heads b spray out water mist and fully mix with the dust, the dust-containing sewage flows into the box body for filtration, and sludge is formed by precipitation. The sludge is discharged through the automatic slag discharge system, thereby improving the dust removal efficiency; the dust collector is provided with a hydrogen detection system, and once the concentration reaches the set value, the hydrogen will be automatically discharged to prevent explosion; in addition, an explosion relief plate is provided on the equipment, and when a certain pressure is reached inside the dust collector, the explosion relief plate automatically vents the explosion, thereby effectively preventing accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more specifically and intuitively illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the structure proposed by the utility model;

[0014] Figure 2 The dust collector structure of the utility model is shown in FIG. Figure 1 ;

[0015] Figure 3 The dust collector structure of the utility model is shown in FIG. Figure 2 ;

[0016] Figure 4 for Figure 3 Schematic diagram of the AA section.

[0017] In the figure: box body 1, slag discharge pipe 2, inspection door 3, cylinder a4, input pipe 5, cylinder b6, output pipe 7, pipe body 8, spray head a9, dust removal plate 10, liquid level meter 11, spray head b12. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-4 The aluminum part grinding dust treatment device includes an air collecting hood, which is connected to a dust collector through a collecting air duct. The collecting air duct is respectively provided with a fire damper and an explosion-proof valve. The output end of the dust collector is respectively connected to a centrifugal fan and an automatic slag discharge system.

[0020] During production, dust from grinding aluminum parts is collected through gas hoods and collecting air ducts; fire dampers are installed on the collecting air ducts, and temperature control systems are installed on the fire dampers to automatically detect the temperature. When the temperature reaches a certain value, the fire dampers automatically close; spark detectors are installed on the collecting air ducts. Once a fire hazard occurs, the spark detector in the pipeline will detect the flame and immediately transmit a signal to the fire damper to close the valve, preventing the flame from spreading to the workshop or peripheral equipment.

[0021] The dust collector uses a centrifugal fan to suck the dust-containing air into the input pipe 5, and the air containing fine particles enters the cylinder b6, the box 1 and the cylinder a4. After the spray heads a9 and b12 spray water mist and fully mix with the dust, the dust-containing sewage flows into the box 1 for filtration, and sludge is formed through sedimentation. The sludge is discharged through the automatic slag discharge system.

[0022] In this embodiment, the dust collector includes a box body 1, and a cylinder a4 and a cylinder b6 are respectively arranged at the bottom of the box body 1. A slag discharge pipe 2 is arranged at the bottom of the box body 1, and the slag discharge pipe 2 is connected to the automatic slag discharge system. An output pipe 7 is arranged on the side wall of the cylinder b6, and the output pipe 7 is connected to the centrifugal fan. An input pipe 5 is arranged on the top of the cylinder a4, and the input pipe 5 is connected to the collecting air duct. Spray components are arranged in the cylinder a4 and the cylinder b6.

[0023] In this embodiment, the spray assembly includes a tube body 8, on which a spray head a9 and a spray head b12 are respectively installed. The spray head b12 extends into the cylinder a4 and is distributed in a ring. The spray head a9 extends into the cylinder b6. The inner wall of the cylinder b6 is provided with a plurality of cross-arranged dust removal plates 10, and the dust removal plates 10 are arranged to be inclined downward.

[0024] In this embodiment, an inspection door 3 is provided on the side wall of the box body 1 , and a liquid level meter 11 is provided on the top of the box body 1 .

[0025] In this embodiment, a hydrogen detection system and an automatic explosion relief system are respectively installed on the box body 1 .

[0026] The dust collector is equipped with a hydrogen detection system. Once the concentration reaches the set value, the hydrogen will be automatically discharged to prevent explosion. In addition, the equipment is equipped with an explosion-proof plate. When the pressure inside the dust collector reaches a certain level, the explosion-proof plate will automatically vent the explosion, effectively preventing accidents.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Aluminum grinding dust treatment device, including a gas collecting hood, characterized in that: The air collecting hood is connected to a dust collector through a collecting air duct, a fire damper and an explosion-proof valve are respectively arranged on the collecting air duct, and the output end of the dust collector is respectively connected to a centrifugal fan and an automatic slag discharge system.

2. The aluminum part grinding dust treatment device according to claim 1 is characterized in that: The dust collector comprises a box body (1), a cylinder body a (4) and a cylinder body b (6) are respectively arranged at the bottom of the box body (1), a slag discharge pipe (2) is arranged at the bottom of the box body (1), the slag discharge pipe (2) is connected to an automatic slag discharge system, an output pipe (7) is arranged on the side wall of the cylinder body b (6), the output pipe (7) is connected to a centrifugal fan, an input pipe (5) is arranged at the top of the cylinder body a (4), the input pipe (5) is connected to a collecting air duct, and spray components are arranged in both the cylinder body a (4) and the cylinder body b (6).

3. The aluminum part grinding dust treatment device according to claim 2 is characterized in that: The spray assembly comprises a pipe body (8), on which a spray head a (9) and a spray head b (12) are respectively mounted, the spray head b (12) extending into the barrel body a (4) and being distributed in an annular shape, the spray head a (9) extending into the barrel body b (6), and the inner wall of the barrel body b (6) being provided with a plurality of cross-arranged dust removal plates (10), the dust removal plates (10) being arranged to be inclined downward.

4. The aluminum part grinding dust treatment device according to claim 3 is characterized in that: An inspection door (3) is provided on the side wall of the box body (1), and a liquid level meter (11) is provided on the top of the box body (1).

5. The aluminum part grinding dust treatment device according to claim 4, characterized in that: The box body (1) is respectively equipped with a hydrogen detection system and an automatic explosion relief system.

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